diff options
author | Catalin Marinas <catalin.marinas@arm.com> | 2020-04-17 18:29:35 +0100 |
---|---|---|
committer | Catalin Marinas <catalin.marinas@arm.com> | 2020-09-04 12:46:07 +0100 |
commit | 39d08e8318c49c5fd2bda9cadfd2bc54d2d3dfd8 (patch) | |
tree | b0f2c41789a84a807067ba1ed25d3308ae06ded1 /arch/arm64/include/asm/mte.h | |
parent | af5ce95282dc99d08a27a407a02c763dde1c5558 (diff) |
arm64: mte: Restore the GCR_EL1 register after a suspend
The CPU resume/suspend routines only take care of the common system
registers. Restore GCR_EL1 in addition via the __cpu_suspend_exit()
function.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/mte.h')
-rw-r--r-- | arch/arm64/include/asm/mte.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/mte.h b/arch/arm64/include/asm/mte.h index df2efbc9f8f1..c93047eff9fe 100644 --- a/arch/arm64/include/asm/mte.h +++ b/arch/arm64/include/asm/mte.h @@ -22,6 +22,7 @@ void mte_sync_tags(pte_t *ptep, pte_t pte); void mte_copy_page_tags(void *kto, const void *kfrom); void flush_mte_state(void); void mte_thread_switch(struct task_struct *next); +void mte_suspend_exit(void); long set_mte_ctrl(unsigned long arg); long get_mte_ctrl(void); @@ -42,6 +43,9 @@ static inline void flush_mte_state(void) static inline void mte_thread_switch(struct task_struct *next) { } +static inline void mte_suspend_exit(void) +{ +} static inline long set_mte_ctrl(unsigned long arg) { return 0; |